fso-deviced-player-gstreamer software package provides GStreamer player module for fso-deviced, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fso-deviced-player-gstreamer
fso-deviced-player-gstreamer is installed in your system.
Make ensure the fso-deviced-player-gstreamer package were installed using the commands given below,
$ sudo dpkg-query -l | grep fso-deviced-player-gstreamer *
You will get with fso-deviced-player-gstreamer package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Miscellaneous |
| Package | fso-deviced-player-gstreamer |
| Version | 0.12.0-7 |
| Description | GStreamer player module for fso-deviced |
| Sub Section | Miscellaneous |